Update ubuntu Docker tag to v22

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
ubuntu	final	major	20.04 -> 22.04
ubuntu	stage	major	20.04 -> 22.04

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Configuration

📅 Schedule: Branch creation - "every 12 months on the first day of the month" (UTC), Automerge - At any time (no schedule defined).

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about these updates again.

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• [ ] If you want to rebase/retry this PR, check this box

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[renovate[bot]]

Renovate Ignore Notification

Because you closed this PR without merging, Renovate will ignore this update. You will not get PRs for any future 22.x releases. But if you manually upgrade to 22.x then Renovate will re-enable minor and patch updates automatically.

If you accidentally closed this PR, or if you changed your mind: rename this PR to get a fresh replacement PR.